<template>
  <div class="sub-page-container"></div>
</template>
<script setup>
import ChildComponent from "@/components/aa.vue";
import { onMounted, ref, onBeforeUnmount, reactive } from "vue";

//定义响应式数据count
const count = reactive(0);

//修改count值
const changeCount = () => {
  count.value++;
};

// const childRef = ref();
onMounted(() => {
  //   console.log(222, childRef.value.abc);
});
</script>
<style scoped></style>
